Pas connu comme étant toxique - Inner green bark is toxic to mammals if ingested.
Source: Krzystzof Ziarnek
Plant Names
Alnus incana subsp. rugosa
Speckled Alder
Aulne rugueux
Synonyms
eastern river alder
hoary alder
swamp alder
tag alder
aulne blanc rugueux
aulne hâtif
vergne
verne
Plant Characteristics
Couleur de floraison: Rouge
Bloom Period: Apr - May
Hauteur max: 30,0 feet
Max Width: 15,0 feet (spreads by rhizome)
Light Condition:
Plus de 6 heures d'ensoleillement par jour
More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Tolerates medium soil condition
Plus de 6 heures d'ensoleillement par jour
More than 2 or 3 hours but less than 6 hours of direct sun a day
Tolerates medium soil condition
Lifespan:
Vivace
des plantes qui reviennent année après année
Gardener Experience:
Spreads by rhizome
Facile à germer
Self-seeding
Spreads by rhizome
Facile à germer
Self-seeding
Landscape Uses:
Souhaitable dans les jardins de zone humide
Souhaitable dans les jardins de zone humide
Ecological Benefits:
Butterfly host
Fixes nitrogen in the soil
Keystone species
Butterfly host
Fixes nitrogen in the soil
Keystone species
Tolerates:
Tolerates acidic soil conditions
Tolerates acidic soil conditions
Special Features and Considerations:
Seed and plant distribution status
No seeds available for this plant.
Nous acceptions les semences de cette plante
Faits intéressants
Speckled Alder is a subspecies of the Grey Alder, but slightly smaller. It is considered a tall shrub or smaller tree that prefers wet soils. It is good to grow along streambanks and pond margins. It is a fast growing shrub that can form dense thickets. These thickets can provide cover for wildlife.
Plant Location
Native to Ottawa region: Oui
Distribution according to VASCAN
Ephemeral
Native
Introduced
Excluded
Extirpated
Doubtful
Absent
Canadensis
Thrives in Ecozones
- Taïga des plaines
- Maritime de l'Atlantique
- Taïga du Bouclier
- Plaines boréales
- Cordillière montagnarde
- Prairies
- Plaines hudsoniennes
- Bouclier boréal
- Maritime du Pacifique
Ecological Benefits
Butterflies Supported by Alnus incana subsp. rugosa
-
Cingilia catenaria
Chain-dotted geometer - Arpenteuse caténaire -
Limenitis arthemis ssp. astyanax
Red Spotted Purple -
Lomographa semiclarata
Bluish Spring -
Melanchra adjuncta
Hitched Arches -
Orgyia leucostigma
marked Tussock - Chenille à Houppes Blanches -
Sphinx poecila
Poecila Sphinx - Sphinx Nordique des Bleuets
Specialized Bees Supported by Alnus incana subsp. rugosa
No bee data available for this plant.
Complementary Plants
- No complementary plants found.
Substitute For Non-Native Plants
No substitute plant data available for this plant.
Sowing Information
Download Seed Envelope Labels (PDF)
- Sowing depth: Couvrir très légèrement
- Sow by February
- Stratification duration: 60 days
- Self-seeding
Harvesting and Seed Sharing
- Harvest start month: September
- Harvesting indicator:
- Pods are open
- Harvesting:
- Secouer le porte-graines dans un sac de papier
- Seed viability test:
- Pas de test requis avant le don
- Packaging measure: Six (6) seeds (eyeball)
- Seed storage:
- Sécher à l'air dans un sac en papier ou contenant ouvert, pour quelques jours jusqu'à sec
- Secouer de temps à autre pour prévenir la moisissure
- Cultivar: No, you can donate without knowing the source as there are only straight species
- Remove non-seed material
- No harvesting video available at this time.
Toxicity Notes
Inner green bark is toxic to mammals if ingested.